he probability distribution of a random variable x is given. -196 -195 191 -189 -185 p(X...
The probability distribution of a random variable X is given. -198 -195 -191 -188 -185 p(X x) 0.20 0.25 0.30 0.15 0.10 Compute the mean, variance, and standard deviation of X. (Round your answers to two decimal places.) mean variance standard deviation Need Help? Read it
A discrete random variable X has the following probability distribution: x7778798081 P(x) 0.150.150.200.400.10Compute each of the following quantities. i. P(X = 80) ii. P(x > 80) iii. P(X ≤ 80) iv. The mean, μ of x. v. The variance, σ2 of X. vi. The standard deviation, σ of X.
Let X be a random variable with the following probability distribution:Value x of XP(X=x)-300.05-200.20-100.0500.15100.25200.30Find the expectation E(X) and variance Var(X) of X. (if necessary, consult a list of formulas.)
Let x be a random variable with the following probability distribution Value x of x P(X=x -10 0.05 0 0.20 10 0.30 20 0.20 30 0.10 40 0.15 E (x)= Var (x)=
2. (-13 Points) DETAILS TANFIN12 8.3.002. The probability distribution of a random variable x is given. MY NOTES 12 -2 0 2 4 PCX = ) 0.3 0.1 0.2 0.2 0.2 Compute the mean, variance, and standard deviation of X. (Round your answers to two decimal places.) mean variance standard deviation The probability distribution of a random variable X is given. 1 View 2 3 4 P(X = x) 0.3 0.4 0.2 0.1 Compute the mean, variance, and standard deviation...
Fill in the P(X = x) values to give a legitimate probability distribution for the discrete random variable X, whose possible values are 2, 3, 4, 5, and 6. Value I of x P(x = x) 2 0.16 3 4 0.17 0.29 6 0 X 6 For Subm Let X be a random variable with the following probability distribution: 1 Value x of X P(X=x) 0.25 2 0.05 3 0.15 4 0.15 5 0.10 6 0.30 Find the expectation E...
Let X be a random variable with the following probability distribution: value x of X P (X= x) 40 50 60 70 80 90 0.10 0.15 0.40 0.20 0.05 0.10 Find the expectation E (X) and variance Var(X) of X. (If necessary, consult a list of formulas.) Var(x)-
Consider the probability distribution for the random variable x shown here. Complete parts a through c below. x 30 40 50 60 70 80 p(x) 0.05 0.20 0.30 0.20 0.10 0.15 a. Calculate μ,σ2,and σ. μ=__________(Type an integer or a decimal. Do not round.) σ2=__________(Type an integer or a decimal. Do not round.) σ=____________(Round to three decimal places as needed.)
What are the expected value and standard deviation of the following probability distribution? Random Variable X Probability 1 0.05 2 0.05 3 0.10 4 0.10 5 0.15 6 0.15 7 0.25 8 0.15
Let X be a random variable with the following probability distribution: Value x of X P(X=x) 0.15 0.10 3 0.05 0.05 0.30 0.35 Find the expectation E (X) and variance Var (X) of X. (If necessary, consult a list of formulas.) E (x) = 0 x 6 ? var(x) -